#include <iostream>

using namespace std;

int main() {
    int n, m;
    cin >> n >> m;

    for (int i = 0, k = 1; i < n; i++) {
        for (int j = 0; j < m - 1; j++) {
            cout << k << ' ';
            k++;
        }

        cout << "PUM" << endl;
        k++;
    }

    return 0;
}
